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Proceedings Paper

Effect of coupling strength on phase locking of Ar-ion lasers
Author(s): Mark P. Jelonek; Won B. Roh
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Paper Abstract

An experiment was performed using two cw Ar-ion lasers in Fabry-Perot resonators configured in a Ushaped cavity and coupled through a common end mirror to examine the effect of coupling strength on phase locking. The near field fringe visibilities were measured while varying the reflectivity of the common end mirror from 10% to 90%. Along with the total multiline visibility, the visibilities for single lines at 514.5 nm and 488.0 nm during multiline coupling were also measured. The lasers were also operated on a single line (488.0 nm), and measurements were made on single-line coupling. An RF mode beat at the frequency characteristic of the super cavity was observed for all values of coupling strength. The optimal coupling strength for phase-locked operation for Ar-ion lasers was found to be approximately 25%.

Paper Details

Date Published: 1 June 1990
PDF: 13 pages
Proc. SPIE 1224, Optical Resonators, (1 June 1990); doi: 10.1117/12.18444
Show Author Affiliations
Mark P. Jelonek, Air Force Institute of Technology (United States)
Won B. Roh, Air Force Institute of Technology (United States)


Published in SPIE Proceedings Vol. 1224:
Optical Resonators
Dale A. Holmes, Editor(s)

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